Black Bay GMT
Ask about this piece.
Condition report.
Overall condition: Used. Condition is Very good (minor signs of wear) - The item shows minor signs of wear, such as small, intangible scratches..
Detailed report
- Case
- Barely visible - a few barely visible scratches; no signs of polishing.
- Dial
- None - like new; no scratches or other signs of wear; unpolished.
- Bezel
- Barely visible - a few barely visible scratches; no signs of polishing.
- Crystal
- None - like new; no scratches or other signs of wear; unpolished.
- Case back
- Barely visible - a few barely visible scratches; no signs of polishing.
The Tudor Black Bay GMT, reference M79830RB-0001, is a highly sought-after pre-owned luxury watch that combines Tudor’s iconic dive watch heritage with practical dual-time functionality. Inspired by classic GMT watches, this model stands out with its distinctive bi-colour “Pepsi” bezel and robust construction.
The 41 mm stainless steel case is paired with a matching stainless steel bracelet, offering durability and a balanced wrist presence. The black dial features luminous hour markers and Tudor’s signature snowflake hands, ensuring excellent legibility in all conditions. The bidirectional rotating bezel with its red and blue aluminium insert allows for easy tracking of multiple time zones, reinforcing its travel-ready design.
At its core, this timepiece is powered by the Tudor manufacture calibre MT5652 automatic movement. COSC-certified, this high-performance movement offers exceptional precision, robustness, and reliability. It provides an impressive power reserve of approximately 70 hours and features an independently adjustable local hour hand, making it particularly practical for frequent travellers.
This certified pre-owned Tudor Black Bay GMT is presented in very good condition, showing light signs of wear consistent with careful use. It is delivered as a full set, including its original box and papers, ensuring authenticity and strong collector appeal.
A versatile and iconic pre-owned luxury watch, this Black Bay GMT is an excellent choice for collectors seeking a robust, reliable, and stylish timepiece with true travel functionality.
CPO · WORKSHOP
Hand-checked, before it ever reaches your wrist.
Every watch passing through the showroom is opened, inspected, timed and pressure-tested by our watchmaker. We document the condition honestly and price it accordingly. If a watch has been polished, serviced or has aftermarket parts, we say so.
What's included.
12-month coverage.
International warranty on every watch we sell. Movement, water resistance and authenticity.
Flexible & private.
SEPA, SWIFT, card or cryptocurrency (BTC, ETH, USDC). Financing up to CHF 20,000 for Swiss resident.
Tax-free.
Buying from outside Switzerland? You leave with your tax refund forms in hand and get back 8.1%.
Insured worldwide.
Fully-insured express delivery via DHL or FedEx. You can also pick-up the watch from our location.
Try it on, in Geneva.
Pictures only tell half the story. Book an hour with us, coffee or whisky, your call, and put this Tudor on your wrist before you decide.
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